HEILBRONER, R. L. (1968). Understanding macroeconomics. Prentice-Hall.
Cita Chicago (17th ed.)HEILBRONER, Robert L. Understanding Macroeconomics. New Jersey: Prentice-Hall, 1968.
Cita MLA (9th ed.)HEILBRONER, Robert L. Understanding Macroeconomics. Prentice-Hall, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.